/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alipay.sofa.rpc.transport;

import com.alipay.sofa.rpc.common.struct.UnsafeByteArrayOutputStream;

/**
 * @author <a href="mailto:zhanggeng.zg@antfin.com">GengZhang</a>
 */
public class ByteStreamWrapperByteBuf extends AbstractByteBuf {

    private final UnsafeByteArrayOutputStream data;

    public ByteStreamWrapperByteBuf(UnsafeByteArrayOutputStream data) {
        this.data = data;
    }

    @Override
    public byte[] array() {
        return data == null ? null : data.toByteArray();
    }

    @Override
    public int readableBytes() {
        return data == null ? 0 : data.size();
    }

    @Override
    public boolean release() {
        return true;
    }
}
